Finding the Fourth Proportional to 855,130.14, 1,283,067.34 and 536,013.36
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Solution
The fourth proportional to 855,130.14, 1,283,067.34 and 536,013.36 is: 804,253.30
Step by Step Solution
- Step 1: Write the proportion equation
855,130.14 : 1,283,067.34 = 536,013.36 : x - Step 2: Convert to fraction form
855,130.14/1,283,067.34 = 536,013.36/x - Step 3: Cross multiply
855,130.14x = 1,283,067.34 × 536,013.36 - Step 4: Simplify right side
855,130.14x = 687,741,236,019.66 - Step 5: Solve for x
x = 687,741,236,019.66/855,130.14 - Step 6: Final answer
x = 804,253.30
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.